/*
    This file is part of Desu: MapleStory v62 Server Emulator
    Copyright (C) 2014  Brent Rinchiuso <brentrin@gmail.com>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package com;

import net.Packet;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToByteEncoder;

/**
 * 
 * @author Brent Rinchiuso
 */
public final class PacketEncoder extends MessageToByteEncoder<Packet> {

    public PacketEncoder() {
        // empty constructor -> nothing required here
    }

    @Override
    protected void encode(ChannelHandlerContext chc, Packet in, ByteBuf bb) throws Exception {
        byte[] data = in.getData();
        
        bb.writeInt(data.length);
        bb.writeBytes(data);
    }
}
